New possibilities in the synthesis of fuel oxygenates from renewable sources
- Authors: Varfolomeev S.D.1, Vol’eva V.B.1, Komissarova N.L.1, Kurkovskaya L.N.1, Malkova A.V.1, Ovsyannikova M.N.1, Gumerov F.M.2, Usmanov R.A.2
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Affiliations:
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
- Kazan National Research Technological University
- Issue: Vol 68, No 4 (2019)
- Pages: 717-724
- Section: Review
- URL: https://journals.rcsi.science/1066-5285/article/view/243339
- DOI: https://doi.org/10.1007/s11172-019-2478-3
- ID: 243339
Cite item
Abstract
A general problem in the production of the main types of liquid biofuel, bioethanol and biodiesel, is that renewable resources are not utilized completely. These are ballast polyols: hemicellulose or its structural units, pentaatomic monosaccharides (xylose and arabinose), and biodiesel glycerol. The problem of utilization of these compounds by transforming them into a hydrophobized fuel form by the conversion to cyclic ketals (CK) during condensation with lower carbonyl compounds is reviewed. The CK—ethanol pair significantly increases the octane number and provides phase stability of fuel compositions. The ability of CK to inhibit radical processes responsible for fuel characteristics was studied in model reactions with phenyl radicals and atomic chlorine. The carbon-centered radicals formed in protic media are transformed into more stable cyclic radical cations. Alternative methods of processing natural raw materials using biocatalysis and supercritical fluid technologies are analyzed.
About the authors
S. D. Varfolomeev
N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 4 ul. Kosygina, Moscow, 119334
V. B. Vol’eva
N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 4 ul. Kosygina, Moscow, 119334
N. L. Komissarova
N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Author for correspondence.
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 4 ul. Kosygina, Moscow, 119334
L. N. Kurkovskaya
N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 4 ul. Kosygina, Moscow, 119334
A. V. Malkova
N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 4 ul. Kosygina, Moscow, 119334
M. N. Ovsyannikova
N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 4 ul. Kosygina, Moscow, 119334
F. M. Gumerov
Kazan National Research Technological University
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 68 ul. Karla Marksa, Kazan, Republic of Tatarstan, 420015
R. A. Usmanov
Kazan National Research Technological University
Email: komissarova@polymer.chph.ras.ru
Russian Federation, 68 ul. Karla Marksa, Kazan, Republic of Tatarstan, 420015